v5.0.0 preview branch

[mluis1]

Discussion about the preview code for v5.0.0 release

• Add new Semtech provided radio drivers support
  • lr1110_driver (v7.0.0)
  • sx126x_driver (v2.0.1)
  • sx127x_driver (v1.0.0)
• Refactor LoRaMac radio interface
• Add LR-FHSS data rate support
  • Update overall project license from "Revised BSD License" to the "The Clear BSD License"
• Update ping-pong, rx-sensi and tx-cw examples
• Update LoRaWAN regional parameters implementation from RP2-1.0.1 to RP2-1.0.3

[mluis1]

Usage instructions

• Sub modules must be updated in order to get the lr1110_driver latest version as well as to get the newly added sx126x_driver sub module.

$ git pull
$ git checkout -b v5.0.0-branch
$ git submodule update --init

• By default the LR-FHSS support is disabled. To enable it please edit .vscode/settings.json file as follows
  From:

{
...
        // Enable/Disable LR-FHSS modulation support for LoRaMac application
        "LORAMAC_LR_FHSS_IS_ON": "OFF",

...
}

To:

{
...
        // Enable/Disable LR-FHSS modulation support for LoRaMac application
        "LORAMAC_LR_FHSS_IS_ON": "ON",

...
}